post
https://mapi-sandbox.unimaze.com/api/v1/messages//mark-as-processed
Indicates that the message has been successfully processed. The message is then ready for delivery.
To execute the call successfully, the message must be in the pendingprocessing or the processing state.
After the message has been marked as processed, its status changes to pendingdelivery.
For more information about message statuses, see Message flow.